diff options
Diffstat (limited to 'tools/imximage.c')
-rw-r--r-- | tools/imximage.c | 102 |
1 files changed, 38 insertions, 64 deletions
diff --git a/tools/imximage.c b/tools/imximage.c index 03a7716..63f88b6 100644 --- a/tools/imximage.c +++ b/tools/imximage.c @@ -71,6 +71,8 @@ static uint32_t imximage_version; static set_dcd_val_t set_dcd_val; static set_dcd_rst_t set_dcd_rst; static set_imx_hdr_t set_imx_hdr; +static uint32_t max_dcd_entries; +static uint32_t *header_size_ptr; static uint32_t get_cfg_value(char *token, char *name, int linenr) { @@ -170,13 +172,6 @@ static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len, { dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table; - if (dcd_len > MAX_HW_CFG_SIZE_V1) { - fprintf(stderr, "Error: %s[%d] -" - "DCD table exceeds maximum size(%d)\n", - name, lineno, MAX_HW_CFG_SIZE_V1); - exit(EXIT_FAILURE); - } - dcd_v1->preamble.barker = DCD_BARKER; dcd_v1->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t); } @@ -190,13 +185,6 @@ static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len, { dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table; - if (dcd_len > MAX_HW_CFG_SIZE_V2) { - fprintf(stderr, "Error: %s[%d] -" - "DCD table exceeds maximum size(%d)\n", - name, lineno, MAX_HW_CFG_SIZE_V2); - exit(EXIT_FAILURE); - } - dcd_v2->header.tag = DCD_HEADER_TAG; dcd_v2->header.length = cpu_to_be16( dcd_len * sizeof(dcd_addr_data_t) + 8); @@ -208,84 +196,55 @@ static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len, } static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len, - struct stat *sbuf, - struct mkimage_params *params) + uint32_t entry_point, uint32_t flash_offset) { imx_header_v1_t *hdr_v1 = &imxhdr->header.hdr_v1; flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table; - uint32_t base_offset; - - /* Exit if there is no BOOT_FROM field specifying the flash_offset */ - if(imxhdr->flash_offset == FLASH_OFFSET_UNDEFINED) { - fprintf(stderr, "Error: Header v1: No BOOT_FROM tag in %s\n", - params->imagename); - exit(EXIT_FAILURE); - } + uint32_t hdr_base; + uint32_t header_length = (((char *)&dcd_v1->addr_data[dcd_len].addr) + - ((char *)imxhdr)); /* Set magic number */ fhdr_v1->app_code_barker = APP_CODE_BARKER; - fhdr_v1->app_dest_ptr = params->addr; - fhdr_v1->app_dest_ptr = params->ep - imxhdr->flash_offset - - sizeof(struct imx_header); - fhdr_v1->app_code_jump_vector = params->ep; - - base_offset = fhdr_v1->app_dest_ptr + imxhdr->flash_offset ; - fhdr_v1->dcd_ptr_ptr = - (uint32_t) (offsetof(flash_header_v1_t, dcd_ptr) - - offsetof(flash_header_v1_t, app_code_jump_vector) + - base_offset); + hdr_base = entry_point - sizeof(struct imx_header); + fhdr_v1->app_dest_ptr = hdr_base - flash_offset; + fhdr_v1->app_code_jump_vector = entry_point; - fhdr_v1->dcd_ptr = base_offset + - offsetof(imx_header_v1_t, dcd_table); - - /* The external flash header must be at the end of the DCD table */ - dcd_v1->addr_data[dcd_len].type = sbuf->st_size + - imxhdr->flash_offset + - sizeof(struct imx_header); + fhdr_v1->dcd_ptr_ptr = hdr_base + offsetof(flash_header_v1_t, dcd_ptr); + fhdr_v1->dcd_ptr = hdr_base + offsetof(imx_header_v1_t, dcd_table); /* Security feature are not supported */ fhdr_v1->app_code_csf = 0; fhdr_v1->super_root_key = 0; + header_size_ptr = (uint32_t *)(((char *)imxhdr) + header_length - 4); } static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len, - struct stat *sbuf, - struct mkimage_params *params) + uint32_t entry_point, uint32_t flash_offset) { imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2; flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; - - /* Exit if there is no BOOT_FROM field specifying the flash_offset */ - if(imxhdr->flash_offset == FLASH_OFFSET_UNDEFINED) { - fprintf(stderr, "Error: Header v2: No BOOT_FROM tag in %s\n", - params->imagename); - exit(EXIT_FAILURE); - } + uint32_t hdr_base; /* Set magic number */ fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */ fhdr_v2->header.length = cpu_to_be16(sizeof(flash_header_v2_t)); fhdr_v2->header.version = IVT_VERSION; /* 0x40 */ - fhdr_v2->entry = params->ep; + fhdr_v2->entry = entry_point; fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0; - fhdr_v2->self = params->ep - sizeof(struct imx_header); - - fhdr_v2->dcd_ptr = fhdr_v2->self + - offsetof(imx_header_v2_t, dcd_table); + fhdr_v2->self = hdr_base = entry_point - sizeof(struct imx_header); - fhdr_v2->boot_data_ptr = fhdr_v2->self + - offsetof(imx_header_v2_t, boot_data); - - hdr_v2->boot_data.start = fhdr_v2->self - imxhdr->flash_offset; - hdr_v2->boot_data.size = sbuf->st_size + - imxhdr->flash_offset + - sizeof(struct imx_header); + fhdr_v2->dcd_ptr = hdr_base + offsetof(imx_header_v2_t, dcd_table); + fhdr_v2->boot_data_ptr = hdr_base + + offsetof(imx_header_v2_t, boot_data); + hdr_v2->boot_data.start = hdr_base - flash_offset; /* Security feature are not supported */ fhdr_v2->csf = 0; + header_size_ptr = &hdr_v2->boot_data.size; } static void set_hdr_func(struct imx_header *imxhdr) @@ -295,11 +254,13 @@ static void set_hdr_func(struct imx_header *imxhdr) set_dcd_val = set_dcd_val_v1; set_dcd_rst = set_dcd_rst_v1; set_imx_hdr = set_imx_hdr_v1; + max_dcd_entries = MAX_HW_CFG_SIZE_V1; break; case IMXIMAGE_V2: set_dcd_val = set_dcd_val_v2; set_dcd_rst = set_dcd_rst_v2; set_imx_hdr = set_imx_hdr_v2; + max_dcd_entries = MAX_HW_CFG_SIZE_V2; break; default: err_imximage_version(imximage_version); @@ -426,8 +387,15 @@ static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd, value = get_cfg_value(token, name, lineno); (*set_dcd_val)(imxhdr, name, lineno, fld, value, *dcd_len); - if (fld == CFG_REG_VALUE) + if (fld == CFG_REG_VALUE) { (*dcd_len)++; + if (*dcd_len > max_dcd_entries) { + fprintf(stderr, "Error: %s[%d] -" + "DCD table exceeds maximum size(%d)\n", + name, lineno, max_dcd_entries); + exit(EXIT_FAILURE); + } + } break; default: break; @@ -480,6 +448,11 @@ static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name) (*set_dcd_rst)(imxhdr, dcd_len, name, lineno); fclose(fd); + /* Exit if there is no BOOT_FROM field specifying the flash_offset */ + if (imxhdr->flash_offset == FLASH_OFFSET_UNDEFINED) { + fprintf(stderr, "Error: No BOOT_FROM tag in %s\n", name); + exit(EXIT_FAILURE); + } return dcd_len; } @@ -541,7 +514,8 @@ static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd, dcd_len = parse_cfg_file(imxhdr, params->imagename); /* Set the imx header */ - (*set_imx_hdr)(imxhdr, dcd_len, sbuf, params); + (*set_imx_hdr)(imxhdr, dcd_len, params->ep, imxhdr->flash_offset); + *header_size_ptr = sbuf->st_size + imxhdr->flash_offset; } int imximage_check_params(struct mkimage_params *params) |